本文整理汇总了Java中javax.vecmath.Matrix4d.getElement方法的典型用法代码示例。如果您正苦于以下问题：Java Matrix4d.getElement方法的具体用法？Java Matrix4d.getElement怎么用？Java Matrix4d.getElement使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.vecmath.Matrix4d的用法示例。
在下文中一共展示了Matrix4d.getElement方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: updateMatrix
import javax.vecmath.Matrix4d; //导入方法依赖的package包/类
/**
* Replaces low values in matrix by zeroes.
*
* @param m4d
* Input 4x4 matrix
* @return Filtered matrix.
*/
private static Matrix4d updateMatrix(Matrix4d m4d) {
double tmp;
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 4; j++) {
tmp = m4d.getElement(i, j);
if (Math.abs(tmp) < 0.01) {
m4d.setElement(i, j, 0D);
}
}
}
return m4d;
}
示例2: printXMLmatrix4d
import javax.vecmath.Matrix4d; //导入方法依赖的package包/类
public synchronized static void printXMLmatrix4d(PrettyXMLWriter xml,
Matrix4d transform) throws IOException {
if (transform == null) return;
xml.openTag("Matrix4d");
for (int x=0;x<4;x++){
for (int y=0;y<4;y++){
String key = "mat"+(x+1)+(y+1);
String value = transform.getElement(x,y)+"";
xml.attribute(key,value);
}
}
xml.closeTag("Matrix4d");
}
示例3: convertToDoubleArray
import javax.vecmath.Matrix4d; //导入方法依赖的package包/类
/**
* Convert a four-d matrix to a double array. Row-packed.
* @param transformationMatrix the input matrix4d object
* @return the double array (16 long).
*/
public static double[] convertToDoubleArray(Matrix4d transformationMatrix) {
// Initialise the output array
double[] outArray = new double[16];
// Iterate over the matrix
for(int i=0; i<4; i++){
for(int j=0; j<4; j++){
// Now set this element
outArray[i*4+j] = transformationMatrix.getElement(i,j);
}
}
return outArray;
}
示例4: calculateTp
import javax.vecmath.Matrix4d; //导入方法依赖的package包/类
/**
* This method calculates pairing and step parameters from 4x4 transformation matrices (used internally)
* that comes out as a Matrix4d.
* @param input the 4x4 matrix representing the transformation from strand II -> strand I or pair i to pair i+1
* @return Six parameters as double[6]
*/
public static double[] calculateTp(Matrix4d input) {
double[][] A = new double[4][4];
for (int i = 0; i < 4; i++) for (int j = 0; j < 4; j++) {
A[i][j] = input.getElement(i, j);
}
double[] M = new double[6];
double cosgamma, gamma, phi, omega, sgcp, omega2_minus_phi,
sm, cm, sp, cp, sg, cg;
cosgamma = A[2][2];
if (cosgamma > 1.0) cosgamma = 1.0;
else if (cosgamma < -1.0) cosgamma = -1.0;
gamma = acos(cosgamma);
sgcp = A[1][1]*A[0][2]-A[0][1]*A[1][2];
if (gamma == 0.0) omega = -atan2(A[0][1],A[1][1]);
else omega = atan2(A[2][1]*A[0][2]+sgcp*A[1][2],sgcp*A[0][2]-A[2][1]*A[1][2]);
omega2_minus_phi = atan2(A[1][2],A[0][2]);
phi = omega/2.0 - omega2_minus_phi;
M[0] = gamma*sin(phi)*180.0/PI;
M[1] = gamma*cos(phi)*180.0/PI;
M[2] = omega*180.0/PI;
sm = sin(omega/2.0-phi);
cm = cos(omega/2.0-phi);
sp = sin(phi);
cp = cos(phi);
sg = sin(gamma/2.0);
cg = cos(gamma/2.0);
M[3] = (cm*cg*cp-sm*sp)*A[0][3]+(sm*cg*cp+cm*sp)*A[1][3]-sg*cp*A[2][3];
M[4] = (-cm*cg*sp-sm*cp)*A[0][3]+(-sm*cg*sp+cm*cp)*A[1][3]+sg*sp*A[2][3];
M[5] = (cm*sg)*A[0][3]+(sm*sg)*A[1][3]+cg*A[2][3];
return M;
}